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How is a waterfall formed in a river?

A waterfall forms in the upper course of a river. The water here flows over hard and soft rock. The soft rock is eroded more quickly than the hard rock. The river undercuts the hard rock leaving an overhang ...
TE
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Explain the meaning of the law of demand, and using examples and diagrams, distinguish between movements along and shifts of the demand curve.

Define demand as the willingness and ability of a consumer to pay a certain price for a good or service at a specific period in time. Explain the meaning of law of demand, where, ceteris paribus, as price in...
RS
Answered by Raya S. • Economics tutor
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Explain one study related to localisation of function in the brain.

To begin with, an introduction must clearly set out what is to be explained in the essay. Key words must be defined. The first key words is "localisation." After defining the key words, the study t...
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Answered by Raya S. • Psychology tutor
6392 Views

Please explain Pythgoras Theorem

So, Pythgoras Theorem mostly deals with right-angled triangles, ie a triangle with one 90 degree angle. The slanted side is called the hypotenuse and let us denote it as c the bottom is called the adjacent, ...
MA
Answered by Mary A. • Maths tutor
5365 Views

In French, when should I employ the imperfect tense?

The imperfect tense is a PAST tense and, (in French) is used to talk about three past things: - To describe a scene, for example the weather: “il FAISAIT beau”. - To describe something that was done regularl...
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Answered by Fern C. • French tutor
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